package com.roy.wakeupres.utils;


import java.io.FileInputStream;
import java.io.IOException;

public class TimeUtils {

    public static void main(String[] args) throws IOException {

        FileInputStream fis = new FileInputStream("/Users/xurui/Desktop/old/使用说明文档.txt");

        int len;
        byte[] bytes = new byte[1024 * 1024 * 5];
        while ((len = fis.read(bytes)) != -1){
            System.out.println(len);
        }

    }
}
